<ul class="index_adimg boxbg aptop c_b">
   <volist name="ad_list" id="ad">
     <li>
     <a href="{$ad.url}"><span class="f_r"><img src="{$ad.content}"  height="100%"></span>
     <div class="text"><span class="gray">{$ad.name}</span><p style="color:{$ad.color};">{$ad.desc}</p></div></a>
     </li>
  </volist>
</ul>